pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6242-LeaRigXmas.ps) >>/Users/jc/w/tmp/Tune-6242-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/Scotland/LeaRigXmas.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Coll_62422.log 275900 Log file, useful mostly for debugging
Coll_62423.log 999140 Log file, useful mostly for debugging
Coll_62427.log 144740 Log file, useful mostly for debugging
Tune-6242-LeaRigXmas.abc 1470 ABC music file with the extracted tune(s)
Tune-6242-LeaRigXmas.ps 41128 PostScript
Tune-6242-LeaRigXmas.txt 1470 Plain-text file with the extracted tune(s)
Tune-6242-get.log 4780 Log file, useful mostly for debugging
Tune-62423-get.log 1407 Log file, useful mostly for debugging
These files should be available for 24 hours.